Guide to doing business in the UK

Why choose us to guide you?

• Trusted experience – with nearly a century of success behind us, we bring a depth of insight few can match.
• Top 50 UK firm recognition – ranked by Accountancy Age as one of the most profitable firms nationwide.
• Expert team – our professionals hold top UK qualifications (ACA, ACCA, CTA) and deliver clear, actionable advice.
• Tailored, strategic support – we align our guidance to your industry, goals, and growth stage.
• Clarity in complexity – we make UK regulations understandable, so you stay informed and in control.

Independent members of TGS

In 2020, Hillier Hopkins joined TGS, a young, dynamic and rapidly growing community of professional firms. TGS shares a similar ethos of friendly expertise and sustainable development. Since then, our involvement in the network has grown and in 2025, Hillier Hopkins Principal, Jonathan Franks, was elected as its President.

With professional staff in around 60 countries, multidisciplinary TGS member firms support clients by designing global, sustainable solutions and providing a one-stop-shop for business advisory, audit, tax, legal and accounting services. Their expertise fuels local and international growth, informs innovation and positions clients in the marketplace, safeguards businesses against financial and organisational risks and helps to value and maintain assets.

With access to a wide range of international colleagues and expertise we can help our clients seize opportunities for overseas growth and expansion. We also represent the UK on a global stage, playing an active role in the development of TGS and offering expertise and support to our TGS friends and their clients around the world.